What if Lily had a reason to hate James? What would happen it they had to do something like hid the truth from a friend?

"It was you? Why would you do this to me?" I tried to leave but he grabbed my arm "Lily why?"
"You said that when we saw each other you would know it was me but you walked right past me" I began to cry "You walked right past me"

"How did i fall in love with my pen-pal?" I asked my friends
"Harry you know don't that" Jasmine said while looking at Johnny in a dreamy/murderous way
"but you don't you get Jas I fell for her"
"alright Harry" Hermione and Draco said in unsion. Ron gave them a dirty look.
"Ron stop it's annoying me"Ginny said coming into the ro